feat(library): genre sliders, artist links, and navigation utils

- music landing: diverse per-genre album sliders (online counts /
  offline wide-probe fallback) and home-screen library shortcuts
- add ArtistLinks component and shared navigation/genreDiversity utils
- player/playback-mode refinements across Rust and frontend

src/lib/stores/queue.ts

@@ -7,8 +7,7 @@
 // TRACES: UR-005, UR-015 | DR-005, DR-020
 
 import { writable, derived, get } from "svelte/store";
-import { listen } from "@tauri-apps/api/event";
-import { commands } from "$lib/api/bindings";
+import { commands, events } from "$lib/api/bindings";
 import type { MediaItem } from "$lib/api/types";
 import { auth } from "$lib/stores/auth";
 
@@ -51,12 +50,12 @@ function createQueueStore() {
     // Initial sync from backend
     await syncFromRust();
 
-    // Listen for queue changed events
-    unlisten = await listen<QueueChangedEvent>("player-event", (event) => {
-      if ((event.payload as any).type === "queue_changed") {
-        const queueEvent = event.payload as any;
+    // Listen for queue changed events (generated tauri-specta event)
+    unlisten = await events.playerStatusEvent.listen((event) => {
+      if (event.payload.type === "queue_changed") {
+        const queueEvent = event.payload;
         set({
-          items: queueEvent.items,
+          items: queueEvent.items as unknown as MediaItem[],
           currentIndex: queueEvent.current_index,
           shuffle: queueEvent.shuffle,
           repeat: queueEvent.repeat,